Here are points highlighting gains for NBC shows when going from "live plus same day" ratings for premiere week to the "live plus seven day" ratings that Nielsen has reported today...

Live Plus 7 Notes for Week 1 (September 20-26):

In the season's first week, "Parenthood" added 37 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 3.37 rating from a 2.46). On a percentage basis, "Parenthood" was the #2 biggest gainer from L+SD to L+7 among primetime series during premiere week on ABC, CBS, NBC or Fox, behind only Fox's "Fringe."

In the season's first week, "Community" added 31 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 2.86 rating from a 2.18). On a percentage basis, "Community" was the #1 biggest gainer from L+SD to L+7 among primetime half-hour comedies during premiere week on ABC, CBS, NBC or Fox.

In the season's first week, "30 Rock" added 29 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 3.32 rating from a 2.58). On a percentage basis, "30 Rock" was the #2 biggest gainer from L+SD to L+7 among primetime half-hour comedies during premiere week on ABC, CBS, NBC or Fox, behind only "Community."

In the season's first week, "The Event" added 27 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 4.60 rating from a 3.61). Starting with no time-shifted viewing by using its "live only" rating as the base, "The Event" derived 35 percent of its "L+7" rating from time-shifted viewing (1.60 points of a 4.60 rating in L+7), making "The Event" the most time-shifted new primetime series on ABC, CBS, NBC or Fox during premiere week.

In the season's first week, "Chuck" added 27 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 2.58 rating from a 2.03).

In the season's first week, "The Office" added 26 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 5.54 rating from a 4.38). On a percentage basis, "The Office" was the #3 biggest gainer from L+SD to L+7 among primetime half-hour comedies during premiere week on ABC, CBS, NBC or Fox, behind only "Community" and "30 Rock."

In the season's first week, "Chase" added 23 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 2.81 rating from a 2.29).

In the season's first week, "Law & Order: Special Victims Unit" added 22 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 3.93 rating from a 3.22).

In the season's first week, "Outsourced" added 19 percent to its 18-49 rating when going from the previously reported "live plus same day" rating to its "live plus seven day" figure (to a 4.29 rating from a 3.59). On a percentage basis, "Outsourced" was the #1 biggest gainer from L+SD to L+7 among first-year half-hour comedies during premiere week on ABC, CBS, NBC or Fox.